/**
 * @description 获取UUID
 * @return {string}
 */
export function getUuid() {
  function S4() {
    return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1)
  }
  return S4() + S4() + '-' + S4() + '-' + S4() + '-' + S4() + '-' + S4() + S4() + S4()
}
